<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <style type="text/css">
        body {margin: auto}
    </style>
    <title>标题</title>
</head>
<body>
<img src="../hh.jpg" height="900" width="1000"/>
<h1>这是模版
    <p>"xxxxxxxxxxxxxxxxx"
        <br>"xxxxxxxxxxxx"
    </p>
</h1>
<div class="dropdown">
    <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
        Dropdown
        <span class="caret"></span>
    </button>
    <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li role="separator" class="divider"></li>
        <li><a href="#">Separated link</a></li>
    </ul>
</div>
</body>
</html>